Moreover, I will diligently endeavor [to see to it] that even after my departure you will be able, at all times, to call these things to mind.

Beloved, I am now writing you this second letter. In this [as in the first one], I am stirring up your untainted mind to remind you,

Therefore, [let me warn you] beloved, knowing these things beforehand, be on your guard so that you are not carried away by the error of unprincipled men [who distort doctrine] and fall from your own steadfastness [of mind, knowledge, truth, and faith],